Barrera Meza, Carlos
Current rating: 1469
Record: 6-8-2
| Grand Prix Porto Alegre 2015 (modern) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 24 | Fratoni Souza, Tiago (1500) | Lost 0-2 | -181464 |
| 2modern | 246 | Pareto Gomes, Daniel (1515) | Won 2-1 | +191483 |
| 3modern | 187 | Klinkerfuss, Paulo (1317) | Won 2-0 | +151498 |
| 4modern | 111 | Riet, Rafael Nascimento (1520) | Draw 1-1 | +11499 |
| 5modern | 162 | Perracini, Rafael (1561) | Draw 1-1 | +11500 |
| 6modern | 221 | Enriquez Mayoral, Jesus Edgar (1742) | Lost 1-2 | -141486 |
| 7modern | 212 | De Oliveira, Gabriel (1502) | Lost 0-2 | -171469 |
| average opponent: 1523record: 2-3-2 | new rating: 1469 | |||
| Grand Prix Sao Paulo 2015 (DTK standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 430 | da Silva Oliveira, Fab (1568) | Lost 1-2 | -171483 |
| 2standard | 337 | Rodrigues Varella, Thalles (1501) | Won 2-1 | +191502 |
| 3standard | 283 | Valadao, Felipe (1500) | Lost 0-2 | -181484 |
| 4standard | 565 | Fabbri Montez, Felippe (1480) | Won 2-1 | +171501 |
| 5standard | 435 | Alves Dos Santos Aguia, (1501) | Won 2-0 | +181519 |
| 6standard | 338 | Caparroz, Joao Lucas (1462) | Lost 0-2 | -191500 |
| 7standard | 279 | Vinicius dos Santos Go, (1500) | Won 2-0 | +181518 |
| 8standard | 233 | Calheiros, Junior (1503) | Lost 0-2 | -181500 |
| 9standard | 219 | Ribeiro, Andre (1500) | Lost 1-2 | -181482 |
| average opponent: 1502record: 4-5 | new rating: 1482 | |||